Update at 6:45 p.m. — The fire department has cleared the scene and all lanes of Fairfax Drive are back open.
The Arlington County Fire Department is investigating a hazmat incident at George Mason University’s law school in Virginia Square.
The incident happened on the third floor of the law school building, at 3301 Fairfax Drive, and involves a suspicious envelope containing a “powdery substance,” according to fire department spokesman Lt. Jeff Crooke. One person who opened the envelope is being evaluated but is not believed be suffering any medical issues at this time.
Police have blocked the westbound lanes of Fairfax Drive due to the emergency response.
The law school was recently renamed the Antonin Scalia Law School, after the late Supreme Court justice.
Map via Google Maps